pellicle
Professional Dingbat, Guru and Merkintologist
always pick the valve with the lifetime warrantyhaving the valve replaced?
;-)
always pick the valve with the lifetime warrantyhaving the valve replaced?
No, I did the aortic valve replaced labelled as "isolated AVR".Did you do the test on the basis of NOT having the valve replaced? That score is 100%
I could be wrong here, but I think you missed @LondonAndy's pointNo, I did the aortic valve replaced labelled as "isolated AVR".
There’s also just plain analysis paralysis. Can’t / don’t want to make a decision so we keep coming up with one more question to find an answer to.I omitted saying above (phone call in middle) was that some people do research as an avoidance behaviour.
Thanks! The usefulness of the background information is pretty clearsorry, using old terminology ... I'm calling the "About" section, your personal information, your Biography (and abbreviating that to bio).
Actually I have not completely committed to anything yet since I won't meet the surgeon till July 20. Your points are well taken but one has to also realize that many times doctors propose what they have been doing for awhile instead of what could be more sensible between the mechanical/tissue option. What I have gathered so far is that the mechanical (at 58) makes more practical sense albeit needs lifetime maneuvering whereas tissue frees one from that but provides a guaranteed redoing of the surgery down the road when I will be older and weaker. On the face of it all, mechanical makes a stronger case. But then I am open to the input of the surgeon in determining the trajectory.Since you have already decided on a mechanical valve and found the surgeon, my advice is to let him do what he needs to do and you know he is doing well.
Regarding your surgeon I have a few things you may want to consider. I am not endorsing nor discouraging you from your decision, only adding topics to think about.The operating surgeon that I am seeing (for the first time) on July 20 is Michael Moulton. Maybe people here have more resources to determine his suitability.
...The fact is that I was sent to him by the cardiologist who analyzed the echocardiogram and decided that I am suffering from severe aortic stenosis......
P.S.: Tomorrow (July 10) is the cardiac catheter test.
PS:
I suggest you add to your board that now there are only one type of mechanical valve but a number of makers which produce almost identical designs. Open Pivot or Open Hinge
This is a good historical round up
https://www.ahajournals.org/doi/full/10.1161/CIRCULATIONAHA.108.778886
from Fig one these are the only mechanical valve types and only A is currently in use or is approved
View attachment 889345
The type C is what people like Dick have and type B had a relatively short life.
Now if you've ever bought an appliance you'll know that what the maker claims and what you may get are often almost right and occasionally more like "a maker wish list"
So while On-X marketing will claim the following
View attachment 889346
you need to wear your Critical Thinking hat (you read that article link; right?) and not just swallow the food that was spooned into your mouth (because it wasn't your parent, but a company in a country which allows direct marketing of valves to patients as if they were dishwashers.
Some Critical thoughts
I can answer the second point
- what determined "optimal criteria" in their claim of "optimal length" claim
- does the claim of 90 degree opening stack up in reality?
https://www.valvereplacement.org/threads/aortic-valve-choices.887840/page-2#post-902334
So if you were buying a washing machine (and you were like me) you'd read the magazines which actively test the devices and evaluate claims like; power consumption, water use, how clean they make dishes.
That's what we cite Peer Review Journals for ... that's the source of data. Now this data is of course complex and you must read more than the abstract if you really want to know. Or just cite it here and see what your peers think of it.
The answers found in peer review differ from the answers in "Consumer Reivew" not just because the questions are tougher, but because the intended audience is more demanding.
For example:
https://pubmed.ncbi.nlm.nih.gov/17655477/
From the Abstract:
The hemodynamic and the thrombogenic performance of two commercially available bileaflet mechanical heart valves (MHVs)--the ATS Open Pivot Valve (ATS) and the St. Jude Regent Valve (SJM), was compared using a state of the art computational fluid dynamics-fluid structure interaction (CFD-FSI) methodology.
assumptions include:
An aortic flow waveform (60 beats/min, cardiac output 4 l/min) was applied at the inlet.
so your critical mind should immediately assume that higher blood circulation rates will change these actual numbers, but how is perhaps just pressure jet
Platelet stress accumulation during forward flow indicated that no platelets experienced a stress accumulation higher than 35 dyne x s/cm2, the threshold for platelet activation (Hellums criterion). However, during the regurgitation flow phase, 0.81% of the platelets in the SJM valve experienced a stress accumulation higher than 35 dyne x s/cm2, compared with 0.63% for the ATS valve.
again your critical mind should be asking about "platelet stresses" and asking what that means if you don't know (I'm sure its been mentioned by me, but I'll mention again that platelet aggregations form the basis for thrombosis. Having that happen in the middle of your artery out to your brain means a triggered thrombosis is now heading for your head. Which is why we have anti-platelet drugs and anticoagulation).
That whole article is worth a read just to get your head around the valve technology described. Eg
View attachment 889348
View attachment 889349
View attachment 889351
I'd say it takes a good undisturbed hour to read (and google points mentioned you don't know).
If you aren't putting in that level of time on reading then
These are complex questions and so the answers aren't simple, sort of like you can't properly answer in a way to engender confidence when someone asks "did aliens make the pyramids" with "no".
- you probably aren't going to get the benefit from the answers you find
- meaning your engine is going but your wheels are spinning and you're getting nowhere
Ultimately to make an informed decision you need to be informed (meaning also understand it). I personally don't think many patients can make an informed decision, thats not being unkind, its just being realistic.
So pick a St Jude.
(I have an ATS because my surgeon thought it was better, after I got it I started reading about it. The more I learned the more I found the answers are unclear. I have no reservations about my valve.)
Ultimately I still recommend my own blog post as all the basics
http://cjeastwd.blogspot.com/2014/01/heart-valve-information-for-choices.html
it also contains the link to Dr Schaffs presentation which I also still recommend.
HTH
Thank you so much. Your experience is enlightening to all of us.Best of luck with that procedure.
You sir, like me, are a "problem patient"!
Per your questions:
1. How long was the recovery after the surgery? Back to work in 6-weeks. A-OK in 6-months.
2. If you had tissue valve replacement, how long did it last? I was ~55 when my valve was replaced. I did not want a re-operation and chose mechanical. It was a pretty simple choice for me, I've had 5 surgeries and want to avoid more. I had family members on warfarin and knew it wasn't a big deal.
3. If you were in my shoes, which valve option you will prefer? I would like to have as much back to normalcy as possible (including staying fit using weights if possible). We can't make your decision for you. Your "normalcy" is a diseased valve with sudden death in your immediate future...you don't want "back to normalcy." As my pastor, a psychiatrist, says "Normal is a setting on the washing machine."
When it comes time to replace this current one I will look for one with a normal setting
So presently this where I stand:
1. Mechanical valve.
2. Preferably On-X due its being second generation and somewhat lenient on INR.
3. If available, keyhole surgical procedure.
Well, he doesn't. I have said this before and I will say it again, the surgeon's are very good at anatomy and plumbing things but they know very little about function and details about prosthetic "X". Leaflet function of the SJM is superior to the OnX - but most surgeons are (sadly) overly influenced by the marketing dept of these corporations.Either St Jude or OnX are good, OnX designers came from St Jude, so if anything, is an improvement; My Surgeon, #2 in the country told me that the only mech valve he uses is OnX; and that is the one i got, so if anything, he should know what he is talking about more than any one of us here personal opinion. But , do listen to "your" surgeon and cardiologist, they will recommend what they think is best for you; Tissue valve, is just a matter of you having no problems with having 2 or 3 surgeries depending on your age. i choose to have 1 and done.
More than most of us here.if anything, he should know what he is talking about more than any one of us here
its sort of logical to me. They have enough to think about with all the hoo har involved in actual surgery without getting geeky about valves.but most surgeons are (sadly) overly influenced by the marketing dept of these corporations.
Surgeons tend to go with what they can get when they need it. That’s why pharmaceutical sales and dme (durable medical equipment) sales pays so well. My neighbor does dme stuff. They use his company’s products because he gets what they need to the OR when they need it. I’m sure they’re not doing their own stress testing to make sure they are only putting in the best stuff.Well, he doesn't. I have said this before and I will say it again, the surgeon's are very good at anatomy and plumbing things but they know very little about function and details about prosthetic "X". Leaflet function of the SJM is superior to the OnX - but most surgeons are (sadly) overly influenced by the marketing dept of these corporations.
Enter your email address to join: